package cn.wolfcode.wolf2w.service.impl;

import cn.wolfcode.wolf2w.domain.Destination;
import cn.wolfcode.wolf2w.domain.Strategy;
import cn.wolfcode.wolf2w.domain.StrategyCatalog;
import cn.wolfcode.wolf2w.domain.StrategyTheme;
import cn.wolfcode.wolf2w.query.StrategyQuery;
import cn.wolfcode.wolf2w.redis.vo.StrategyStatisVO;
import cn.wolfcode.wolf2w.repository.StrategyRepository;
import cn.wolfcode.wolf2w.service.IDestinationService;
import cn.wolfcode.wolf2w.service.IStrategyCatalogService;
import cn.wolfcode.wolf2w.service.IStrategyService;
import cn.wolfcode.wolf2w.service.IStrategyThemeService;
import cn.wolfcode.wolf2w.util.DBHelper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.Date;
import java.util.List;
@Service

public class StrategyServiceImpl implements IStrategyService {

    @Autowired
    private StrategyRepository repository;

    @Autowired
    private MongoTemplate template;

    @Autowired
    private IStrategyCatalogService strategyCatalogService;

    @Autowired
    private IStrategyThemeService strategyThemeService;

    @Autowired
    private IDestinationService destinationService;


    @Override
    public void save(Strategy strategy) {
        strategy.setId(null);
        repository.save(strategy);
    }

    @Override
    public void update(Strategy strategy) {
        repository.save(strategy);
    }

    @Override
    public void delete(String id) {
        repository.deleteById(id);
    }

    @Override
    public Strategy get(String id) {
        return repository.findById(id).orElse(null);
    }

    @Override
    public List<Strategy> list() {
        return repository.findAll();
    }

    @Override
    public Page<Strategy> query(StrategyQuery qo) {
        Query query = new Query();
//判断目的地id
        if(StringUtils.hasLength(qo.getDestId())){
            query.addCriteria(Criteria.where("destId").is(qo.getDestId()));
        }
//主题id
        if(StringUtils.hasLength(qo.getThemeId())){
            query.addCriteria(Criteria.where("themeId").is(qo.getThemeId()));
        }

        Pageable pageable = PageRequest.of(qo.getCurrentPage() - 1, qo.getPageSize(),
                Sort.Direction.ASC, "_id");
        return DBHelper.query(template, Strategy.class, query, pageable);
    }

    @Override
    public void saveOrUpdate(Strategy strategy) {
//确保数据是否完全
        StrategyCatalog catalog = strategyCatalogService.get(strategy.getCatalogId());
        //目的地id
        strategy.setDestId(catalog.getDestId());
        //目的地name
        strategy.setDestName(catalog.getDestName());
        //主题名称
        StrategyTheme theme = strategyThemeService.get(strategy.getThemeId());
        strategy.setThemeName(theme.getName());
        //分类名
        strategy.setCatalogName(catalog.getName());
        //是否国外
        List<Destination> toasts = destinationService.queryToasts(catalog.getDestId());
        if(toasts != null && toasts.size() > 0){
            Destination dest = toasts.get(0);
            if("中国".equals(dest.getName())){
                strategy.setIsabroad(Strategy.ABROAD_NO); //国内
            }else{
                strategy.setIsabroad(Strategy.ABROAD_YES);//国外
            }
        }
        if(StringUtils.hasLength(strategy.getId())){
            //1:查询（以攻略id查询）
            Strategy temp = this.get(strategy.getId());
            //2:替换
            strategy.setCreateTime(temp.getCreateTime());
            strategy.setViewnum(temp.getViewnum());
            //回复数
            strategy.setReplynum(temp.getReplynum());
            //点赞数
            strategy.setThumbsupnum(temp.getThumbsupnum());
            strategy.setFavornum(temp.getFavornum());
            //分享数
            strategy.setSharenum(temp.getSharenum());
            //3:更新
            this.update(strategy);
        }else{
            //save
            //创建时间
            strategy.setCreateTime(new Date());
            this.save(strategy);
        }

    }




    //分类id查询攻略集合

    @Override
    public List<Strategy> queryCatalogId(String id) {
        return repository.findByCatalogId(id);
    }

    @Override
    public List<Strategy> queryViewnumTop3(String destId) {
       //1.点击率（viewnum）
       //前三top3
        //条件：目的地id

        PageRequest pageable=PageRequest.of(0, 3, Sort.Direction.DESC, "viewnum");


        return repository.findByDestId(destId,pageable);
    }
//持久化更新
    @Override
    public void updateStrategyVo(StrategyStatisVO vo) {

        Query query=new Query();
        query.addCriteria(Criteria.where("_id").is(vo.getStrategyId()));
        Update update=new Update();
        update.set("viewnum", vo.getViewnum());
        update.set("replynum", vo.getReplynum());
        update.set("favornum", vo.getFavornum());
        update.set("sharenum", vo.getSharenum());
        update.set("thumbsupnum", vo.getThumbsupnum());
        template.updateMulti(query, update, Strategy.class);
    }

    @Override
    public List<Strategy> queryByDestName(String destName) {
        return repository.findByDestName(destName);
    }

}
